Patents by Inventor David Nelson Valley

David Nelson Valley has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Dye colored fire fighting foam concentrate
    Publication number: 20030001129
    Abstract: A fire fighting foam concentrate containing a foamable fire fighting agent, a water-soluble dye, and glycol ether. A fire fighting foam concentrate containing a fluorosurfactant-based fire fighting agent and a water-soluble dye. The concentrates are usually diluted with up to 100 times (v/v) water and aerated into a foam. In addition, a method for evaluating fire fighting foam concentrate concentrations in the fire fighting foam compositions created when the concentrates are diluted.
    Type: Application
    Filed: June 18, 2001
    Publication date: January 2, 2003
    Inventors: Mitchell James Hubert, Stephen Aloysius Barker, David Nelson Valley